power_sequencer: update to the latest master

This commit brings Power Sequencer to the current rolling version, that is
commit 9562eb58d164e234f61225250d6ac5ca858ada7b on
https://github.com/GDQuest/blender-power-sequencer/.

I had already made an intermediate commit that added new features and fixed some
bugs. This commit brings bug fixes and many quality of life improvements.

- Human-readable changelog:
  https://github.com/GDQuest/blender-power-sequencer/blob/master/CHANGELOG.md
- 1.4.0 release post:
  https://github.com/GDQuest/blender-power-sequencer/releases/tag/1.4.0
- All the commits since v1.3.0 (previous update + this one in this repository):
  https://github.com/GDQuest/blender-power-sequencer/compare/1.3.0...master

1 files changed, 45 insertions, 0 deletions

diff --git a/power_sequencer/tools/trim.py b/power_sequencer/tools/trim.py
new file mode 100644
index 00000000..e6a54437
--- /dev/null
+++ b/power_sequencer/tools/trim.py
@@ -0,0 +1,45 @@
+#
+# Copyright (C) 2016-2020 by Nathan Lovato, Daniel Oakey, Razvan Radulescu, and contributors
+#
+# This file is part of Power Sequencer.
+#
+# Power Sequencer is free software: you can redistribute it and/or modify it under the terms of the
+# GNU General Public License as published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# Power Sequencer is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+# without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with Power Sequencer. If
+# not, see <https://www.gnu.org/licenses/>.
+#
+import bpy
+from bpy.types import WorkSpaceTool
+
+
+class POWER_SEQUENCER_TOOL_Trim(WorkSpaceTool):
+    bl_space_type = "SEQUENCE_EDITOR"
+    bl_context_mode = "SEQUENCER"
+
+    bl_idname = "power_sequencer.trim"
+    bl_label = "Trim"
+    bl_description = "Cut and trim strips with the mouse"
+    bl_icon = "ops.mesh.knife_tool"
+    bl_widget = None
+    bl_keymap = (
+        (
+            "power_sequencer.mouse_trim",
+            {"type": "LEFTMOUSE", "value": "PRESS"},
+            {"select_mode": "CONTEXT", "gap_remove": False},
+        ),
+        (
+            "power_sequencer.mouse_trim",
+            {"type": "LEFTMOUSE", "value": "PRESS", "shift": True},
+            {"select_mode": "CURSOR", "gap_remove": True},
+        ),
+    )
+
+    def draw_settings(context, layout, tool):
+        props = tool.operator_properties("power_sequencer.mouse_trim")
+        layout.prop(props, "mode")